Julie Sheridan Eng

Executive Vice President, Optical Components and Chief Technology Officer

Julie Sheridan Eng is EVP, Optical Components and Chief Technology Officer at Coherent. She was named Chief Technology Officer (CTO) of Coherent in 2022. Prior to becoming CTO, Dr. Eng served as Senior Vice President and General Manager of the Optoelectronic Devices and Modules Business Unit, leading engineering, product management, and operations for VCSELs, InP lasers and detectors, and CMOS/BiCMOS ICs for datacom and 3D sensing.

Prior to Coherent, she held senior leadership roles at Finisar, including EVP and GM of 3D Sensing and EVP of Datacom Engineering, where her teams launched hundreds of fiber optic transceiver products and delivered multiple industry firsts. She began her career at AT&T Bell Laboratories/Lucent/Agere, leading development of laser-based datacom transceivers.

Dr. Eng is a Past Chair of the IEEE Women in Engineering Committee and serves on the Board of Directors of Optica. She has published extensively, holds six U.S. patents, and is a frequent invited speaker. She was named an Optica Fellow in 2022, elected to the National Academy of Engineering in 2025, and received the 2025 Dr. Lisa Su Woman of Innovation Award from the Global Semiconductor Alliance.

She holds a B.A. in Physics from Bryn Mawr College, a B.S. in Electrical Engineering from Caltech, and M.S. and Ph.D. degrees in Electrical Engineering from Stanford University.